Engineering Physics Unit 2 – Electromagnetic Field Theory: important questions for AKTU
Unit 2 (Electromagnetic Field Theory) questions that AKTU repeats most often. This unit carries about 25 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 2 questions
- Derive work-energy theorem for the flow of energy in an electromagnetic field. (7 marks, 2025, Poynting Vector and Theorem) – also asked in 2021, 2022, 2023, 2024, 2025, 2026
- Explain the concept of Poynting vector and discuss its physical meaning. (7 marks, 2026, Poynting Vector and Theorem) – also asked in 2021, 2022, 2023, 2024, 2025
- Deduce the equation for the propagation of plane electromagnetic waves in the free space. Show that the electric and magnetic vectors are normal to each other and to the direction of propagation of the wave. (7 marks, 2026, Plane Electromagnetic Waves) – also asked in 2021, 2022, 2023, 2024, 2025
Most important Unit 2 topic
- Plane Electromagnetic Waves (Unit 2: Electromagnetic Field Theory) – asked 19 times in 2021, 2022, 2023, 2024, 2025, 2026
Most asked Unit 2 topics
- Plane Electromagnetic Waves – asked 19 times
- Poynting Vector and Theorem – asked 12 times
- Basic Laws Electricity Magnetism – asked 8 times
More Unit 2 previous year questions
- State the physical significance of displacement current in Maxwell's equations. (2 marks, 2026, Basic Laws Electricity Magnetism)
- Explain the principle of conservation of electric charge and discuss its importance in electromagnetic theory. (7 marks, 2026, Basic Laws Electricity Magnetism)
- Explain the term skin depth with necessary formulae. (2 marks, 2025, Plane Electromagnetic Waves)
- An electromagnetic wave of frequency 10 MHz is incident normally on a good conductor (e.g., copper) with conductivity σ = 5.8 × 10⁷ S/m and relative permeability μᵣ = 1. What is the skin depth δ of the wave in the conductor? (Use μ₀ = 4π × 10⁻⁷ H/m) (2 marks, 2025, Plane Electromagnetic Waves)
- Derive differential form of Maxwell's equations. (7 marks, 2025, Maxwell Equations)
Unit 2 syllabus topics
- Stokes and Divergence Theorem
- Basic Laws Electricity Magnetism
- Maxwell Equations
- Poynting Vector and Theorem
- Plane Electromagnetic Waves